快乐对人体的益处可能并不像研究人员认为的那样多。
Happiness may not be as good for the body as researchers thought.
研究人员认为,卷尾猴和人类一样会受到社会情感的引导。
The researchers suggest that capuchin monkeys, like humans, are guided by social emotions.
研究人员认为,这是首次在人类身上发现不同大脑状态的“首夜效应”。
The researchers believe this is the first time that the "first-night-effect" of different brain states has been identified in humans.
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